import java.awt.geom.Point2D;
import java.util.Scanner;
public class a {
	Scanner in=new Scanner(System.in);
	public static void main(String[] args) {
		new a().g();
	}
	private void g() {
		while(true){
			Point2D.Double[] d=new Point2D.Double[6];
			for(int i=0;i<6;i++)d[i]=new Point2D.Double(in.nextDouble(),in.nextDouble());
			if(d[0].equals(d[1]))break;
			double a=Math.abs((d[5].x*d[3].y+d[3].x*d[4].y+d[4].x*d[5].y-d[4].y*d[5].x-d[5].y*d[3].x-d[3].y*d[4].x)/2);
			double l=a/d[0].distance(d[1]);
			double theta=Math.acos(((d[2].x-d[0].x)*(d[1].x-d[0].x)+(d[2].y-d[0].y)*(d[1].y-d[0].y))/d[0].distance(d[1])/d[0].distance(d[2]));
			l/=Math.sin(Math.acos(((d[2].x-d[0].x)*(d[1].x-d[0].x)+(d[2].y-d[0].y)*(d[1].y-d[0].y))/d[0].distance(d[1])/d[0].distance(d[2])));
			Point2D.Double disp=new Point2D.Double((d[2].x-d[0].x)*l/d[0].distance(d[2]),(d[2].y-d[0].y)*l/d[0].distance(d[2]));
			Point2D.Double h=new Point2D.Double(disp.x+d[0].x,disp.y+d[0].y);
			Point2D.Double g=new Point2D.Double(disp.x+d[1].x,disp.y+d[1].y);
			System.out.printf("%.3f %.3f %.3f %.3f\n", g.x,g.y,h.x,h.y);
		}	
	}
}
//Euclid
//trig
//triangles
//geometry